Resumes a paused isolate.
Sends a message to an isolate requesting that it ends a pause that was previously requested.
When all active pause requests have been cancelled, the isolate will continue processing events and handling normal messages.
If the resumeCapability is not one that has previously been used
to pause the isolate, or it has already been used to resume from
that pause, the resume call has no effect.
Source
external void resume(Capability resumeCapability);